The Dana Dolly Universal Kit is our most popular skateboard dolly / camera slider. Save a few bucks and buy the Dana Dolly without the case. Features the Universal Track Ends for attaching to pipe or tube from just under 1 1/4" (1.66 O.D.) to just over 1 1/2" (1.90 O.D.). Simple to use, set up and move to next location. Get beautiful, smooth, camera tracking shots that add production value at minimal cost. You will be so impressed, you will want to use the Dana Dolly on every scene you shoot. Speedrail Schedule 40 Aluminum Pipe (not included) is the recommended pipe for the dolly to ride on.